@article{PMF_1908_19_1_a0,
     author = {Sto\.zek, W.},
     title = {O ca{\l}kowaniu pewnych r\'owna\'n r\'o\.zniczkowych zwyczajnych rz\k{e}du drugiego},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {1--16},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {1908},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1908_19_1_a0/}
}